Closed Source vs. Open Source AI: A Cage Fight Few People Understand

This article doesn't mention the moat of data gathering, frontier AI labs have a huge advantage in curating proprietary datasets from actual usage of their platforms.

This in turn allows them to optimize their models for the long tail of tasks that open weight models can't compete with.

Another factor is that pure intelligence isn't enough, how the model communicates is a huge plus. An enterprise used to talking to Claude all day won't be easy to switch to another model